SQL Injection Pattern (Basic) Regex Pattern
Detects common SQL injection attack patterns including OR-based, UNION, and command injection.
Live Regex Tester
Pattern Breakdown
Code Examples
JavaScript
const regex = /(?:'\s*(?:OR|AND)\s+.*=.*|;\s*(?:DROP|DELETE|UPDATE|INSERT)\s|UNION\s+SELECT|--\s*$)/i; const test = "' OR 1=1 --"; console.log(regex.test(test)); // true // Extract matches const matches = test.match(regex); console.log(matches);
Python
import re pattern = r'(?:'\s*(?:OR|AND)\s+.*=.*|;\s*(?:DROP|DELETE|UPDATE|INSERT)\s|UNION\s+SELECT|--\s*$)' test = "' OR 1=1 --" match = re.search(pattern, test, re.IGNORECASE) print(match) # Found!
Go
package main
import (
"fmt"
"regexp"
)
func main() {
re := regexp.MustCompile(`(?:'\s*(?:OR|AND)\s+.*=.*|;\s*(?:DROP|DELETE|UPDATE|INSERT)\s|UNION\s+SELECT|--\s*$)`)
fmt.Println(re.MatchString("' OR 1=1 --")) // true
}Common Use Cases
Match Examples
| Input | Result |
|---|---|
| ' OR 1=1 -- | Match |
| normal search query | No Match |
About the SQL Injection Pattern (Basic) Regex
Detects common SQL injection attack patterns including OR-based, UNION, and command injection.
Regular expressions (regex) are powerful pattern matching tools used across virtually all programming languages. The sql injection pattern (basic) pattern is classified as advanced difficulty in the security category. This pattern is specifically designed for SQL.
When using this regex, always consider edge cases and test thoroughly with real-world data. Use the interactive tester above to validate the pattern against your specific inputs before deploying to production.
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Frequently Asked Questions
What is the SQL Injection Pattern (Basic) regex pattern?
Detects common SQL injection attack patterns including OR-based, UNION, and command injection.
How do I use the SQL Injection Pattern (Basic) regex?
Use the pattern /(?:'\s*(?:OR|AND)\s+.*=.*|;\s*(?:DROP|DELETE|UPDATE|INSERT)\s|UNION\s+SELECT|--\s*$)/i in your code. In JavaScript: new RegExp('(?:\'\s*(?:OR|AND)\s+.*=.*|;\s*(?:DROP|DELETE|UPDATE|INSERT)\s|UNION\s+SELECT|--\s*$)', 'i'). Test it above with your own input.
What does this SQL Injection Pattern (Basic) regex match?
This pattern matches: "' OR 1=1 --". It does NOT match: "normal search query". Web application firewall, input validation, security scanning.
Is the SQL Injection Pattern (Basic) regex beginner-friendly?
This pattern is rated Advanced. It uses advanced features like lookaheads, backreferences, or complex alternation.
What languages support the SQL Injection Pattern (Basic) regex?
This pattern works in SQL. Syntax may vary slightly between regex engines.
Can I modify the SQL Injection Pattern (Basic) regex for my use case?
Yes! Use the interactive tester above to modify the pattern and test with your own data. Common modifications include making it case-insensitive (add 'i' flag), matching globally (add 'g' flag), or adjusting character classes.